New study of 7-million-year-old fossils from Chad proves Sahelanthropus tchadensis walked upright while still climbing trees.

WASHINGTON >> Bipedal locomotion — walking upright on two legs — is a fundamental trait underpinning humankind’s success. Scientists have now identified two innovations that occurred long ago in the ...

We may not think about it while doing it, but our nervous system is directing our bones, joints, muscles, tendons, and more to move as efficiently as possible at varying speeds. Replicating this in ...

Cara Wall-Scheffler does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...